Alert archive / Nebraska / Special Weather Statements in 2021

Special Weather Statement, NWS Goodland, KS

August 22, 2021Red Willow County, Nebraska

NWS Goodland, KS issued this special weather statement at Aug 22, 2021, 4:54 AM CDT for Red Willow County, Nebraska. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 22, 2021, 4:54 AM CDT (09:54 UTC)
Expired: Aug 22, 2021, 5:45 AM CDT
In force: 51 min
Issued by: NWS Goodland, KS
Hail: 0.25 in
Wind: 40

County Red Willow County, NE

The radar

The Goodland radar (KGLD), 136 km from the middle of the area, began a volume at 09:56 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 9.9 hours before the alert went out and 114 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1778 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 104 m²/s²
0-3 km storm-relative helicity: 200 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Goodland, KS wrote its last area forecast discussion before this special weather statement went out at Aug 22, 4:27 AM CDT, 27 minutes earlier.

Area forecast discussion, Aug 22, 4:27 AM CDT, 27 minutes before

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Hazardous weather outlook, Aug 22, 3:51 AM CDT, 1 hour 3 minutes before

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In the hours before

Special weather statement, Aug 22, 1:56 AM CDT, 2 hours 58 minutes before

Special Weather Statement
National Weather Service Goodland KS
1256 AM MDT Sun Aug 22 2021

COZ090-091-KSZ001-013-220730-
Kit Carson County CO-Yuma County CO-Sherman KS-Cheyenne KS-
1256 AM MDT Sun Aug 22 2021

...Strong thunderstorms will impact portions of southern Yuma County
in northeastern Colorado, northeastern Kit Carson County in east
central Colorado, southwestern Cheyenne and northwestern Sherman
Counties in northwestern Kansas through 130 AM MDT/230 AM CDT/...

At 1256 AM MDT/156 AM CDT/, Doppler radar was tracking strong
thunderstorms along a line extending from 11 miles southeast of Cope
to 8 miles south of Bonny Reservoir. Movement was northeast at 15
mph.

HAZARD...Winds in excess of 30 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

These storms will remain over mainly rural areas of northeastern Kit
Carson County County in east central Colorado, southern Yuma County
County in northeastern Colorado, northwestern Sherman and
southwestern Cheyenne Counties in northwestern Kansas, including the
following locations... Joes, Hale and Beecher Island.

This includes the following highways...
 Interstate 70 in Colorado between mile markers 422 and 425.
 Highway 385 between mile markers 193 and 229.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3996 10206 3958 10172 3926 10255 3966 10279
TIME...MOT...LOC 0656Z 224DEG 14KT 3960 10265 3949 10218

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH

JN

Special weather statement, Aug 22, 2:31 AM CDT, 2 hours 23 minutes before

Special Weather Statement
National Weather Service Goodland KS
131 AM MDT Sun Aug 22 2021

COZ090-091-KSZ001-220815-
Kit Carson County CO-Yuma County CO-Cheyenne KS-
131 AM MDT Sun Aug 22 2021

...A strong thunderstorm will impact portions of southeastern Yuma
County in northeastern Colorado, northern Kit Carson County in east
central Colorado and southwestern Cheyenne Counties in northwestern
Kansas through 215 AM MDT/315 AM CDT/...

At 131 AM MDT/231 AM CDT/, Doppler radar was tracking a strong
thunderstorm 7 miles northwest of Bonny Reservoir, moving northeast
at 20 mph.

HAZARD...Winds in excess of 30 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

This storm will remain over mainly rural areas of northern Kit Carson
County County in east central Colorado, southeastern Yuma County
County in northeastern Colorado and southwestern Cheyenne Counties in
northwestern Kansas, including the following locations... Hale,
Idalia and Beecher Island.

This includes Highway 385 between mile markers 202 and 227.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3949 10228 3975 10244 3997 10203 3970 10180
TIME...MOT...LOC 0731Z 232DEG 17KT 3968 10227

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...30 MPH

JN

Special weather statement, Aug 22, 3:09 AM CDT, 1 hour 45 minutes before

Special Weather Statement
National Weather Service Goodland KS
209 AM MDT Sun Aug 22 2021

KSZ001-013-220900-
Sherman KS-Cheyenne KS-
209 AM MDT Sun Aug 22 2021

...Strong thunderstorms will impact portions of Cheyenne and
northwestern Sherman Counties in northwestern Kansas through 300 AM
MDT/400 AM CDT/...

At 208 AM MDT/308 AM CDT/, Doppler radar was tracking strong
thunderstorms along a line extending from 7 miles southwest of
Haigler to 14 miles east of Bonny Reservoir. Movement was northeast
at 10 mph.

HAZARD...Winds in excess of 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

These storms will remain over mainly rural areas of northwestern
Sherman and Cheyenne Counties in northwestern Kansas, including the
following locations... Wheeler.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3957 10146 3949 10199 3981 10205 3994 10205
      4000 10189 4000 10159
TIME...MOT...LOC 0808Z 245DEG 8KT 3991 10199 3956 10191

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

JN

Special weather statement, Aug 22, 3:36 AM CDT, 1 hour 18 minutes before

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Special weather statement, Aug 22, 4:05 AM CDT, 49 minutes before

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Special weather statement, Aug 22, 4:54 AM CDT, 0 minutes before

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The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 22, 2:31 AM CDT	Special Weather Statement	GLD	Cheyenne	44 min
Aug 22, 3:09 AM CDT	Special Weather Statement	GLD	Cheyenne	51 min
Aug 22, 3:36 AM CDT	Special Weather Statement	GLD	Cheyenne	39 min
Aug 22, 4:05 AM CDT	Special Weather Statement	GLD	Rawlins	40 min
Aug 22, 5:03 PM CDT	Severe Thunderstorm Warning	GLD	Decatur	42 min
Aug 22, 5:18 PM CDT	Special Weather Statement	GLD	Gove	27 min
Aug 22, 5:40 PM CDT	Special Weather Statement	GLD	Sheridan	20 min
Aug 22, 6:06 PM CDT	Special Weather Statement	GLD	Graham	24 min
Aug 22, 6:12 PM CDT	Special Weather Statement	GLD	Norton	18 min
Aug 22, 6:32 PM CDT	Special Weather Statement	GLD	Norton	13 min
Aug 22, 6:52 PM CDT	Special Weather Statement	GLD	Norton	23 min
Aug 22, 12:27 AM CDT	Special Weather Statement	GLD	Kit Carson	33 min
Aug 22, 12:50 AM CDT	Special Weather Statement	GLD	Kit Carson	40 min
Aug 22, 1:29 AM CDT	Special Weather Statement	GLD	Kit Carson	31 min
Aug 22, 1:56 AM CDT	Special Weather Statement	GLD	Kit Carson	34 min
Aug 22, 4:52 PM CDT	Special Weather Statement	GLD	Red Willow	23 min

Nearby

Special Weather Statements in Nebraska, 2021 Every special weather statement in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.